Washing machine



FIG. 1 is a front elevation view of a washing machine;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a first perspective view thereof, showing a washing state; and,

FIG. 7 is a second perspective view thereof, showing a non-washing state. 

CLAIM The ornamental design for a washing machine, as shown and described. 